122200010077 has 2 divisors, whose sum is σ = 122200010078. Its totient is φ = 122200010076.

The previous prime is 122200010071. The next prime is 122200010117. The reversal of 122200010077 is 770010002221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87956137476 + 34243872601 = 296574^2 + 185051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122200010077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122200010071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100005038 + 61100005039.

It is an arithmetic number, because the mean of its divisors is an integer number (61100005039).

Almost surely, 2^122200010077 is an apocalyptic number.

It is an amenable number.

122200010077 is a deficient number, since it is larger than the sum of its proper divisors (1).

122200010077 is an equidigital number, since it uses as much as digits as its factorization.

122200010077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

Adding to 122200010077 its reverse (770010002221), we get a palindrome (892210012298).

The spelling of 122200010077 in words is "one hundred twenty-two billion, two hundred million, ten thousand, seventy-seven".